Kalafina held a memorial mini live at Venus Fort in Tokyo on August 11 to commemorate the release of its new single "Hyakka Ryouran".
Regarding the new song, Keiko described it as a song whose "melody make you feel for your homeland", while Wakana commented that "the intro of the song has an exciting start".
The new song is being used as the theme song to the anime series "Katsugeki Touken Ranbu". Hikaru, a big fan of anime, expressed excitement over being involved with the series.
Over 1,000 people attended the release event. In addition to the new single, Kalafina performed the B-side track "Tonbo" and 2011 song "symphonia".